Padlock



s. sPANo PADLOCK Filed March 19, 1927 @www SalI/Idar Spano Patented oct.so, was.'k

sALvATonEfsPANo, or ENsLEY,-ALABAMA. .f

' Applicatioafiedhnareh 19, 1927. serial lNo., 176,787. 1

This invention relates tof'impr'ovements in padlocks and is adapted. foruse on? barns,

' .cated in a spaced relation garages, railroad car andthe like. y

An objectofmy invention is to provide a padlock having a shackle rigidlyattached to,

or integral with, the lock casing, thereby forming the desired strengthof construction.V Another feature of my invention is to pro'- f vide aAshackle so designed as easily to engage two or more eye-bolts, haspsvorstaples lo-V o n .relatively separable elements. l

A further object of my invention is to p-rovide such a padlock which isinexpensive,

simple in construction and will not readily get out of o-rder.

My invention comprises further novel features, details of construction,rand combination of parts, as will be hereinafter set forth, shown inthe drawings and claimed.

In the drawings Y Fig. 1 is a plan view ofthe padlockV in an unlocked'position, with the front pflateof the casing removed.

Fig. 2 is a fragmentary plan view of the lock mechanism in its unlockedposition.

Fig. 3 isa fragmentary plan yview of the look mechanism illustrating therelative position of the key at the completionvof the locking movement.l

Fig. 4 illustratesthe lock in servicevwith the lock arm in closed bolts.

Referring to the drawing, in which similar numerals of referenceindicate t-he same parts, the casing comprises a front plate 5, a backplate 6 anda side member i' which are secured rigidly by rivets 8. Abolt 9 is slidably mounted in guide members 10 which are formed on plate11, said plate being secured to the back plateV 6 by rivets 12. A pin 13and a segment 14 are formed on the plate 11 to engage the key 15 and'are employed to resist the insertion 0f 'a foreign key. A curved springcatch 16 notched atone side is secured to the back plate 6 and engages ashouldered notch 17 formed in the boltl'9 when said bolt is in lockedposition. A U-shaped shackle 18 Vis secured at one side to the backplate 6 and the out-turnedends 19 of the side member 7 by means ofrivets20 and' theother side of the shackle is adapted to be inserted throughthe eye bolts 21 and position between the eye 22 mounted in thedoors 23and 24, andV pivot. j In the lockingfoperation, the shackleY 1 8 j dhaving been Vinserted ythroughthe eye-bolts k21;.an'd 22 and'thenthrough a'holeji,inthe throughone end of alock arm 25'.'v lockv arm isvfree to Yswing on the shackle 18Jas`a arm25,the latter is swung tocause ac atchl V lug`2bV formed on thearin and itted"witl .3 boltfhole27to be inserted through aslot 2844 -v `in the front plate 5. l/VhentheVlmyfltis turned one revolutiomto asemi-locked posiition, an offsetV 29thereon enga' es a lug B0 I and slides the bolt 9 through t e bolt hole27 in the lock arm; The olfset29engages the Ylug 31 during asecondrevolution of the y key and moves the bolt 9 a step further,

' thereby permittingthespringcatch to snap into locked'position behindthe shoulder of notch 17, thereby 16 and then to move the bolt 9,bymeans 'of v I causing vthe spring catch l 16 to secure the bolt. 7'

y The padlock is opened by turning the key 'reversely to the lockingmovement thereby causing the offset 29 to raise the spring catch openposition,,thereby'releasing the lockv arm 25 to be'swungopen, whereuponthelock and shackle can be removed and the `door opened. GenerallyIprefer to placethe lock arm between the eye bolts, as shownin Fig. `V *Y4l, as that arrangement uses the eye bolts to `hold the lock arm`against being tampered withon the shackle. K Although I have -describedandillustrated a particular design, construction and, arrangement ofparts, Ido not `wish to be lim-Y' ited thereto except as noted in theVappended;

claims. I

Having thus described inventiomwhat Iclaim as new andi desire to secureby Letters Patent, is

Y 1. A padlock comprising a lock casing f Y rigidly mounted on aUfshapedshackle,iny 'Y 1,

combination with a lock arm having means to detachably mount itVpivotally on the shackle,

and a boltin the casing and engaging 'theVV lock a-rm to secure the arm1n locked Vposition Vonv the shackle, the shackle being adapted to s beinserted through elements secured to the several parts to be locked.

2. A padlock comprising a lock ying front and back plates and a marginalwall 'out-turned at its Vends and secured to saidV plate, a rigidU-shaped'shackle having one end secured tothe out-turned `portions offthe marginal Wall,` 'the 'free leg 'of theTshackl'e being adapted to beinserted through retaining members in the elements to belockech and alock arm removably and ivotally mounted on thefree leg of the shac (leand means c'oacting with the padlock to lockthe armin position on thefree legof the shackle.

3. In a padlock, a lockrarm, a sliding bolt adapted to `engage the arinand having twoVV lugs and a lock shoulder7 a spring adapted totinterlock with the shoulder and having .its free end bent intopositionadjacenttto the. lugs, said lugsbengso positionedthat a keyhaving a notched actuator, in the first vrevolution thereof, engagesone" Vbolt lug and moves the bolt toward locked position and by furtherrotation engages the seeondlug and moves the bolt to fully lockedposition,

and a single reverse rotation of the key disj- Vplaces the spring andfully unlocks the bolt,

substantially as described.

4. A padlock comprising aV lock mechanism, a lock casing, a 'Ll-shapedshackle rigidly attachedto the casing, a lock arm pivotally Vmounted 'onand removable from the free leg of the shackle, and means includ-V "Jedin the lock mechanism and adapted to Vengage the arm to lock thearm'against removal lfrom the shackle,A as and for the purposesdescribed. Y v

5. A padlock according to claim 4, in Which the lock mechanismYcomprises a sliding bolt SALVATORE SPANO.

